A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
SOUND ABSORPTION WALL MATERIAL
To provide a sound absorption wall material that has excellent sound absorption performance and can be installed by simple construction.SOLUTION: A sound absorption wall material comprises a multilayer sound absorption material 3 with a plurality of laminated sound absorption materials with different frequencies of peak sound absorption coefficient, a frame 2 that accommodates the multilayer sound absorption material 3 inside, and a surface material 5 that covers a surface side of the frame 2 and has a plurality of holes 4 at least on the opposite side to the multilayer sound absorption material 3.SELECTED DRAWING: Figure 3
【課題】吸音性能に優れ、なお且つ、簡易な施工により設置が可能な吸音壁材を提供する。【解決手段】吸音率のピーク値の周波数が異なる複数の吸音材が積層された多層吸音材３と、多層吸音材３を内側に収容する枠体２と、枠体２の表面側を覆うと共に、少なくとも多層吸音材３と対向する面側に複数の孔部４が設けられた表面材５とを備える。【選択図】図３
SOUND ABSORPTION WALL MATERIAL
To provide a sound absorption wall material that has excellent sound absorption performance and can be installed by simple construction.SOLUTION: A sound absorption wall material comprises a multilayer sound absorption material 3 with a plurality of laminated sound absorption materials with different frequencies of peak sound absorption coefficient, a frame 2 that accommodates the multilayer sound absorption material 3 inside, and a surface material 5 that covers a surface side of the frame 2 and has a plurality of holes 4 at least on the opposite side to the multilayer sound absorption material 3.SELECTED DRAWING: Figure 3
【課題】吸音性能に優れ、なお且つ、簡易な施工により設置が可能な吸音壁材を提供する。【解決手段】吸音率のピーク値の周波数が異なる複数の吸音材が積層された多層吸音材３と、多層吸音材３を内側に収容する枠体２と、枠体２の表面側を覆うと共に、少なくとも多層吸音材３と対向する面側に複数の孔部４が設けられた表面材５とを備える。【選択図】図３
SOUND ABSORPTION WALL MATERIAL
吸音壁材
SUGAWARA KAZUYA (author) / HASEGAWA MOTONORI (author) / NISHI RYOTA (author)
2023-03-27
Patent
Electronic Resource
Japanese
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